Z Axis problem

[studysession]

Hi -

In my gcode I have the following

F50
G1 Z5.0
G1 Z0.0
Then continues with more junk......

When it starts it goes to +5 and never takes Z down to ZERO. If I put -5 it goes to -5 and not ZERO. If I put 0.001 it goes to 4.XX9 or something... Not ZERO.


Anyone here have any ideas I can try or what to do? Thanks KH

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[HuFlungDung]

Are you running in incremental (G91) mode or absolute (G90) mode?

[studysession]

I got a reply from Art - he said use G90 and seems to be ok now. Thanks